﻿using System;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
using System.Windows.Input;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Microsoft.Extensions.Logging;
using RotovapPlatform.Domain.Business.Machine.Entities;

namespace RotovapPlatform.UI.ViewModels.DeviceMaintenance
{
	/// <summary>
	/// 设备维护视图模型
	/// </summary>
	public partial class DeviceMaintenanceViewModel : ObservableObject
	{
		private readonly ILogger<DeviceMaintenanceViewModel> _logger;

		/// <summary>
		/// 维护计划列表
		/// </summary>
		[ObservableProperty]
		private ObservableCollection<MaintenancePlan> _maintenancePlans = new ObservableCollection<MaintenancePlan>();

		/// <summary>
		/// 选中的维护计划
		/// </summary>
		[ObservableProperty]
		private MaintenancePlan _selectedMaintenancePlan;

		/// <summary>
		/// 维护记录列表
		/// </summary>
		[ObservableProperty]
		private ObservableCollection<MaintenanceRecord> _maintenanceRecords = new ObservableCollection<MaintenanceRecord>();

		/// <summary>
		/// 选中的维护记录
		/// </summary>
		[ObservableProperty]
		private MaintenanceRecord _selectedMaintenanceRecord;

		/// <summary>
		/// 设备组件列表
		/// </summary>
		[ObservableProperty]
		private ObservableCollection<string> _deviceComponents = new ObservableCollection<string>();

		/// <summary>
		/// 选中的设备组件
		/// </summary>
		[ObservableProperty]
		private string _selectedDeviceComponent;

		/// <summary>
		/// 维护类型列表
		/// </summary>
		[ObservableProperty]
		private ObservableCollection<string> _maintenanceTypes = new ObservableCollection<string>();

		/// <summary>
		/// 选中的维护类型
		/// </summary>
		[ObservableProperty]
		private string _selectedMaintenanceType;

		/// <summary>
		/// 是否显示添加维护计划对话框
		/// </summary>
		[ObservableProperty]
		private bool _isAddPlanDialogOpen;

		/// <summary>
		/// 是否显示添加维护记录对话框
		/// </summary>
		[ObservableProperty]
		private bool _isAddRecordDialogOpen;

		/// <summary>
		/// 新维护计划
		/// </summary>
		[ObservableProperty]
		private MaintenancePlan _newMaintenancePlan = new MaintenancePlan();

		/// <summary>
		/// 新维护记录
		/// </summary>
		[ObservableProperty]
		private MaintenanceRecord _newMaintenanceRecord = new MaintenanceRecord();

		/// <summary>
		/// 是否正在加载
		/// </summary>
		[ObservableProperty]
		private bool _isLoading;

		///// <summary>
		///// 构造函数
		///// </summary>
		///// <param name="logger">日志记录器</param>
		//public DeviceMaintenanceViewModel(ILogger<DeviceMaintenanceViewModel> logger)
		//{
		//	_logger = logger;
		//	_logger.LogInformation("设备维护视图模型已初始化");

		//	// 初始化命令
		//	LoadMaintenancePlansCommand = new RelayCommand(async () => await LoadMaintenancePlansAsync());
		//	LoadMaintenanceRecordsCommand = new RelayCommand(async () => await LoadMaintenanceRecordsAsync());
		//	AddMaintenancePlanCommand = new RelayCommand(OpenAddPlanDialog);
		//	AddMaintenanceRecordCommand = new RelayCommand(OpenAddRecordDialog);
		//	SaveMaintenancePlanCommand = new RelayCommand(async () => await SaveMaintenancePlanAsync());
		//	SaveMaintenanceRecordCommand = new RelayCommand(async () => await SaveMaintenanceRecordAsync());
		//	DeleteMaintenancePlanCommand = new RelayCommand<MaintenancePlan>(async (plan) => await DeleteMaintenancePlanAsync(plan));
		//	DeleteMaintenanceRecordCommand = new RelayCommand<MaintenanceRecord>(async (record) => await DeleteMaintenanceRecordAsync(record));
		//	ExportMaintenancePlansCommand = new RelayCommand(ExportMaintenancePlans, CanExportMaintenancePlans);
		//	ExportMaintenanceRecordsCommand = new RelayCommand(ExportMaintenanceRecords, CanExportMaintenanceRecords);
		//}

		/// <summary>
		/// 加载维护计划命令
		/// </summary>
		public ICommand LoadMaintenancePlansCommand { get; }

		/// <summary>
		/// 加载维护记录命令
		/// </summary>
		public ICommand LoadMaintenanceRecordsCommand { get; }

		/// <summary>
		/// 添加维护计划命令
		/// </summary>
		public ICommand AddMaintenancePlanCommand { get; }

		/// <summary>
		/// 添加维护记录命令
		/// </summary>
		public ICommand AddMaintenanceRecordCommand { get; }

		/// <summary>
		/// 保存维护计划命令
		/// </summary>
		public ICommand SaveMaintenancePlanCommand { get; }

		/// <summary>
		/// 保存维护记录命令
		/// </summary>
		public ICommand SaveMaintenanceRecordCommand { get; }

		/// <summary>
		/// 删除维护计划命令
		/// </summary>
		public ICommand DeleteMaintenancePlanCommand { get; }

		/// <summary>
		/// 删除维护记录命令
		/// </summary>
		public ICommand DeleteMaintenanceRecordCommand { get; }

		/// <summary>
		/// 导出维护计划命令
		/// </summary>
		public ICommand ExportMaintenancePlansCommand { get; }

		/// <summary>
		/// 导出维护记录命令
		/// </summary>
		public ICommand ExportMaintenanceRecordsCommand { get; }

		/// <summary>
		/// 初始化
		/// </summary>
		//	public async Task InitializeAsync()
		//	{
		//		try
		//		{
		//			IsLoading = true;
		//			_logger.LogInformation("正在初始化设备维护模块...");

		//			// 初始化设备组件列表
		//			DeviceComponents.Clear();
		//			DeviceComponents.Add("全部");
		//			DeviceComponents.Add("油浴");
		//			DeviceComponents.Add("冷凝器");
		//			DeviceComponents.Add("旋转电机");
		//			DeviceComponents.Add("真空泵");
		//			DeviceComponents.Add("控制器");
		//			DeviceComponents.Add("整机");

		//			SelectedDeviceComponent = "全部";

		//			// 初始化维护类型列表
		//			MaintenanceTypes.Clear();
		//			MaintenanceTypes.Add("全部");
		//			MaintenanceTypes.Add("定期检查");
		//			MaintenanceTypes.Add("清洁");
		//			MaintenanceTypes.Add("校准");
		//			MaintenanceTypes.Add("更换零件");
		//			MaintenanceTypes.Add("软件更新");
		//			MaintenanceTypes.Add("其他");

		//			SelectedMaintenanceType = "全部";

		//			// 加载维护计划和记录
		//			await LoadMaintenancePlansAsync();
		//			await LoadMaintenanceRecordsAsync();

		//			_logger.LogInformation("设备维护模块初始化完成");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, "初始化设备维护模块时发生错误");
		//		}
		//		finally
		//		{
		//			IsLoading = false;
		//		}
		//	}

		//	/// <summary>
		//	/// 加载维护计划
		//	/// </summary>
		//	private async Task LoadMaintenancePlansAsync()
		//	{
		//		try
		//		{
		//			IsLoading = true;
		//			_logger.LogInformation("正在加载维护计划...");

		//			// 这里将来会添加实际的数据加载逻辑
		//			await Task.Delay(500); // 模拟加载延迟

		//			// 清空现有记录
		//			MaintenancePlans.Clear();

		//			// 模拟添加一些维护计划
		//			var random = new Random();
		//			var components = new[] { "油浴", "冷凝器", "旋转电机", "真空泵", "控制器", "整机" };
		//			var types = new[] { "定期检查", "清洁", "校准", "更换零件", "软件更新", "其他" };
		//			var frequencies = new[] { "每天", "每周", "每月", "每季度", "每半年", "每年" };

		//			for (int i = 0; i < 10; i++)
		//			{
		//				var component = components[random.Next(components.Length)];
		//				var type = types[random.Next(types.Length)];

		//				// 如果选择了特定组件且不是"全部"，则只添加该组件的计划
		//				if (SelectedDeviceComponent != "全部" && component != SelectedDeviceComponent)
		//				{
		//					continue;
		//				}

		//				// 如果选择了特定维护类型且不是"全部"，则只添加该类型的计划
		//				if (SelectedMaintenanceType != "全部" && type != SelectedMaintenanceType)
		//				{
		//					continue;
		//				}

		//				MaintenancePlans.Add(new MaintenancePlan
		//				{
		//					Id = $"MP-{DateTime.Now.Year}{DateTime.Now.Month:D2}{i + 1:D3}",
		//					Component = component,
		//					Type = type,
		//					Description = GetMaintenanceDescription(component, type),
		//					Frequency = frequencies[random.Next(frequencies.Length)],
		//					NextDate = DateTime.Now.AddDays(random.Next(1, 90)),
		//					LastDate = DateTime.Now.AddDays(-random.Next(1, 90)),
		//					Status = random.Next(2) == 0 ? "已计划" : "已逾期"
		//				});
		//			}

		//			_logger.LogInformation($"加载了 {MaintenancePlans.Count} 条维护计划");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, "加载维护计划时发生错误");
		//		}
		//		finally
		//		{
		//			IsLoading = false;
		//		}
		//	}

		//	/// <summary>
		//	/// 加载维护记录
		//	/// </summary>
		//	private async Task LoadMaintenanceRecordsAsync()
		//	{
		//		try
		//		{
		//			IsLoading = true;
		//			_logger.LogInformation("正在加载维护记录...");

		//			// 这里将来会添加实际的数据加载逻辑
		//			await Task.Delay(500); // 模拟加载延迟

		//			// 清空现有记录
		//			MaintenanceRecords.Clear();

		//			// 模拟添加一些维护记录
		//			var random = new Random();
		//			var components = new[] { "油浴", "冷凝器", "旋转电机", "真空泵", "控制器", "整机" };
		//			var types = new[] { "定期检查", "清洁", "校准", "更换零件", "软件更新", "其他" };
		//			var operators = new[] { "管理员", "维护人员A", "维护人员B", "外部技术人员" };
		//			var results = new[] { "正常", "需要关注", "需要维修", "已更换零件", "已修复" };

		//			for (int i = 0; i < 20; i++)
		//			{
		//				var component = components[random.Next(components.Length)];
		//				var type = types[random.Next(types.Length)];

		//				// 如果选择了特定组件且不是"全部"，则只添加该组件的记录
		//				if (SelectedDeviceComponent != "全部" && component != SelectedDeviceComponent)
		//				{
		//					continue;
		//				}

		//				// 如果选择了特定维护类型且不是"全部"，则只添加该类型的记录
		//				if (SelectedMaintenanceType != "全部" && type != SelectedMaintenanceType)
		//				{
		//					continue;
		//				}

		//				MaintenanceRecords.Add(new MaintenanceRecord
		//				{
		//					Id = $"MR-{DateTime.Now.Year}{DateTime.Now.Month:D2}{i + 1:D3}",
		//					Component = component,
		//					Type = type,
		//					Description = GetMaintenanceDescription(component, type),
		//					Date = DateTime.Now.AddDays(-random.Next(1, 180)),
		//					Duration = TimeSpan.FromMinutes(random.Next(15, 180)),
		//					Operator = operators[random.Next(operators.Length)],
		//					Result = results[random.Next(results.Length)],
		//					Notes = random.Next(2) == 0 ? "无特殊情况" : "需要后续跟进"
		//				});
		//			}

		//			_logger.LogInformation($"加载了 {MaintenanceRecords.Count} 条维护记录");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, "加载维护记录时发生错误");
		//		}
		//		finally
		//		{
		//			IsLoading = false;
		//		}
		//	}

		//	/// <summary>
		//	/// 获取维护描述
		//	/// </summary>
		//	private string GetMaintenanceDescription(string component, string type)
		//	{
		//		switch (type)
		//		{
		//			case "定期检查":
		//				return $"对{component}进行定期检查，确保正常运行";
		//			case "清洁":
		//				return $"清洁{component}，去除污垢和杂质";
		//			case "校准":
		//				return $"校准{component}，确保精度和准确性";
		//			case "更换零件":
		//				return $"更换{component}的磨损零件";
		//			case "软件更新":
		//				return $"更新{component}的控制软件";
		//			case "其他":
		//				return $"对{component}进行其他维护操作";
		//			default:
		//				return $"对{component}进行{type}";
		//		}
		//	}

		//	/// <summary>
		//	/// 打开添加维护计划对话框
		//	/// </summary>
		//	private void OpenAddPlanDialog()
		//	{
		//		NewMaintenancePlan = new MaintenancePlan
		//		{
		//			Id = $"MP-{DateTime.Now.Year}{DateTime.Now.Month:D2}{MaintenancePlans.Count + 1:D3}",
		//			NextDate = DateTime.Now.AddDays(7),
		//			Status = "已计划"
		//		};
		//		IsAddPlanDialogOpen = true;
		//	}

		//	/// <summary>
		//	/// 打开添加维护记录对话框
		//	/// </summary>
		//	private void OpenAddRecordDialog()
		//	{
		//		NewMaintenanceRecord = new MaintenanceRecord
		//		{
		//			Id = $"MR-{DateTime.Now.Year}{DateTime.Now.Month:D2}{MaintenanceRecords.Count + 1:D3}",
		//			Date = DateTime.Now,
		//			Duration = TimeSpan.FromMinutes(60)
		//		};
		//		IsAddRecordDialogOpen = true;
		//	}

		//	/// <summary>
		//	/// 保存维护计划
		//	/// </summary>
		//	private async Task SaveMaintenancePlanAsync()
		//	{
		//		try
		//		{
		//			_logger.LogInformation($"正在保存维护计划: {NewMaintenancePlan.Id}");

		//			// 这里将来会添加实际的保存逻辑
		//			await Task.Delay(500); // 模拟保存延迟

		//			// 添加到列表
		//			MaintenancePlans.Add(new MaintenancePlan
		//			{
		//				Id = NewMaintenancePlan.Id,
		//				Component = NewMaintenancePlan.Component,
		//				Type = NewMaintenancePlan.Type,
		//				Description = NewMaintenancePlan.Description,
		//				Frequency = NewMaintenancePlan.Frequency,
		//				NextDate = NewMaintenancePlan.NextDate,
		//				LastDate = NewMaintenancePlan.LastDate,
		//				Status = NewMaintenancePlan.Status
		//			});

		//			// 关闭对话框
		//			IsAddPlanDialogOpen = false;

		//			_logger.LogInformation($"维护计划 {NewMaintenancePlan.Id} 保存成功");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, $"保存维护计划 {NewMaintenancePlan.Id} 时发生错误");
		//		}
		//	}

		//	/// <summary>
		//	/// 保存维护记录
		//	/// </summary>
		//	private async Task SaveMaintenanceRecordAsync()
		//	{
		//		try
		//		{
		//			_logger.LogInformation($"正在保存维护记录: {NewMaintenanceRecord.Id}");

		//			// 这里将来会添加实际的保存逻辑
		//			await Task.Delay(500); // 模拟保存延迟

		//			// 添加到列表
		//			MaintenanceRecords.Add(new MaintenanceRecord
		//			{
		//				Id = NewMaintenanceRecord.Id,
		//				Component = NewMaintenanceRecord.Component,
		//				Type = NewMaintenanceRecord.Type,
		//				Description = NewMaintenanceRecord.Description,
		//				Date = NewMaintenanceRecord.Date,
		//				Duration = NewMaintenanceRecord.Duration,
		//				Operator = NewMaintenanceRecord.Operator,
		//				Result = NewMaintenanceRecord.Result,
		//				Notes = NewMaintenanceRecord.Notes
		//			});

		//			// 关闭对话框
		//			IsAddRecordDialogOpen = false;

		//			_logger.LogInformation($"维护记录 {NewMaintenanceRecord.Id} 保存成功");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, $"保存维护记录 {NewMaintenanceRecord.Id} 时发生错误");
		//		}
		//	}

		//	/// <summary>
		//	/// 删除维护计划
		//	/// </summary>
		//	private async Task DeleteMaintenancePlanAsync(MaintenancePlan plan)
		//	{
		//		try
		//		{
		//			if (plan == null)
		//			{
		//				_logger.LogWarning("尝试删除空的维护计划");
		//				return;
		//			}

		//			_logger.LogInformation($"正在删除维护计划: {plan.Id}");

		//			// 这里将来会添加实际的删除逻辑
		//			await Task.Delay(500); // 模拟删除延迟

		//			// 从列表中移除
		//			MaintenancePlans.Remove(plan);

		//			_logger.LogInformation($"维护计划 {plan.Id} 删除成功");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, $"删除维护计划 {plan?.Id} 时发生错误");
		//		}
		//	}

		//	/// <summary>
		//	/// 删除维护记录
		//	/// </summary>
		//	private async Task DeleteMaintenanceRecordAsync(MaintenanceRecord record)
		//	{
		//		try
		//		{
		//			if (record == null)
		//			{
		//				_logger.LogWarning("尝试删除空的维护记录");
		//				return;
		//			}

		//			_logger.LogInformation($"正在删除维护记录: {record.Id}");

		//			// 这里将来会添加实际的删除逻辑
		//			await Task.Delay(500); // 模拟删除延迟

		//			// 从列表中移除
		//			MaintenanceRecords.Remove(record);

		//			_logger.LogInformation($"维护记录 {record.Id} 删除成功");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, $"删除维护记录 {record?.Id} 时发生错误");
		//		}
		//	}

		//	/// <summary>
		//	/// 导出维护计划
		//	/// </summary>
		//	private void ExportMaintenancePlans()
		//	{
		//		try
		//		{
		//			_logger.LogInformation("正在导出维护计划...");

		//			// 这里将来会添加实际的导出逻辑

		//			_logger.LogInformation("维护计划导出完成");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, "导出维护计划时发生错误");
		//		}
		//	}

		//	/// <summary>
		//	/// 是否可以导出维护计划
		//	/// </summary>
		//	private bool CanExportMaintenancePlans()
		//	{
		//		return MaintenancePlans.Count > 0;
		//	}

		//	/// <summary>
		//	/// 导出维护记录
		//	/// </summary>
		//	private void ExportMaintenanceRecords()
		//	{
		//		try
		//		{
		//			_logger.LogInformation("正在导出维护记录...");

		//			// 这里将来会添加实际的导出逻辑

		//			_logger.LogInformation("维护记录导出完成");
		//		}
		//		catch (Exception ex)
		//		{
		//			_logger.LogError(ex, "导出维护记录时发生错误");
		//		}
		//	}

		//	/// <summary>
		//	/// 是否可以导出维护记录
		//	/// </summary>
		//	private bool CanExportMaintenanceRecords()
		//	{
		//		return MaintenanceRecords.Count > 0;
		//	}
		//}

		/// <summary>
		/// 维护计划类
		/// </summary>
		public class MaintenancePlan
		{
			/// <summary>
			/// 计划ID
			/// </summary>
			public string Id { get; set; }

			/// <summary>
			/// 设备组件
			/// </summary>
			public string Component { get; set; }

			/// <summary>
			/// 维护类型
			/// </summary>
			public string Type { get; set; }

			/// <summary>
			/// 维护描述
			/// </summary>
			public string Description { get; set; }

			/// <summary>
			/// 维护频率
			/// </summary>
			public string Frequency { get; set; }

			/// <summary>
			/// 下次维护日期
			/// </summary>
			public DateTime NextDate { get; set; }

			/// <summary>
			/// 上次维护日期
			/// </summary>
			public DateTime? LastDate { get; set; }

			/// <summary>
			/// 状态
			/// </summary>
			public string Status { get; set; }
		}

		/// <summary>
		/// 维护记录类
		/// </summary>
		public class MaintenanceRecord
		{
			/// <summary>
			/// 记录ID
			/// </summary>
			public string Id { get; set; }

			/// <summary>
			/// 设备组件
			/// </summary>
			public string Component { get; set; }

			/// <summary>
			/// 维护类型
			/// </summary>
			public string Type { get; set; }

			/// <summary>
			/// 维护描述
			/// </summary>
			public string Description { get; set; }

			/// <summary>
			/// 维护日期
			/// </summary>
			public DateTime Date { get; set; }

			/// <summary>
			/// 维护时长
			/// </summary>
			public TimeSpan Duration { get; set; }

			/// <summary>
			/// 操作人员
			/// </summary>
			public string Operator { get; set; }

			/// <summary>
			/// 维护结果
			/// </summary>
			public string Result { get; set; }

			/// <summary>
			/// 备注
			/// </summary>
			public string Notes { get; set; }
		}
	}
}